An introduction to the study of colour vision (1915)
Parsons, John Herbert, Sir, 1868-1957 · Cambridge [Eng.] University Press; New York, G. P. Putnam's Sons · leaf 239
886. The curves were calculatedfrom a vast number of matches made with Helmholtz spectrophoto-meter. An objection to this instrument is that the variations in in-tensity are made by a polarisation method and account is not alwaystaken of the appreciable polarisation of the light by the prism of… … 720 700 680 660 640 620 600 580 560 540 5 20 500 480 460 440 420 400 380 a B C P E b F G HFig. 59. R, G, and V. sensation curves. K, Konigs G-curve; D, Dietericis G-curve; G-curve of an anomalous trichromat. Abscissae, wave-lengths of the inter-ference spectrum of sunlight; ordinates, arbitrary…
Color vision
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